PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

90228-1Washer,flat

Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok · NSN 5310-01-101-8566 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-101-8566 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-101-8566. Primary manufacturer part number: 90228-1.
Features
  • Washer,flat — FSC 5310
  • Minimum Tensile Strength: 1500 POUNDS PER SQUARE INCH LBS
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
  • Peripheral Shape Style: ROUND
  • Material Document and Classification: AMS 3652 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Overall Diameter: 0.295 INCHES MINIMUM AND 0.298 INCHES MAXIMUM IN
  • Hole Diameter: 0.155 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN
  • Center Hole Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Polytetrafluoroethylene Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-101-8566, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-101-8566
Primary Part Number90228-1
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCircor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
StatusACTIVE
Minimum Tensile Strength1500 POUNDS PER SQUARE INCH LBS
MaterialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
Peripheral Shape StyleROUND
Material Document and ClassificationAMS 3652 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Overall Diameter0.295 INCHES MINIMUM AND 0.298 INCHES MAXIMUM IN
Hole Diameter0.155 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Thickness0.031 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5310-00-102-4085 INTERCHANGEABLE
Washer,flat
5331-00-292-0577MS28775-007 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5310-00-756-6054 INTERCHANGEABLE
Washer,flat
5955-01-202-625090228-1 INTERCHANGEABLE
Crystal Unit,quartz
Hamilton Sundstrand Corporation Dba Collins Aerospace
5965-01-495-557890-228-1 INTERCHANGEABLE
Holder,handset
L3 Technologies, Inc.
3040-01-495-9553C-4192 INTERCHANGEABLE
Lever,manual Control
L3 Technologies, Inc.
3040-01-497-067090-228-1 ITEM 3 INTERCHANGEABLE
Cam,control
L3 Technologies, Inc.
Cross-Reference Index
Part NumberManufacturer
90228-1 PRIMARY Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok (USA)
Related Parts
5310-00-102-4085INTERCHANGEABLE
WASHER,FLAT
5331-00-292-0577INTERCHANGEABLE
O-RING
MS28775-007
5310-00-756-6054INTERCHANGEABLE
WASHER,FLAT
5955-01-202-6250INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
90228-1
5965-01-495-5578INTERCHANGEABLE
HOLDER,HANDSET
90-228-1
3040-01-495-9553INTERCHANGEABLE
LEVER,MANUAL CONTROL
C-4192
3040-01-497-0670INTERCHANGEABLE
CAM,CONTROL
90-228-1 ITEM 3

Frequently Asked Questions

What is NSN 5310-01-101-8566?

NSN 5310-01-101-8566 is a Washer,flat, manufactured by Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-101-8566?

NSN 5310-01-101-8566 has 1 cross-referenced part number: 90228-1 (Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok).

What NSN replaces 5310-01-101-8566?

There are 7 known substitutes for 5310-01-101-8566: 5310-00-102-4085, 5331-00-292-0577, 5310-00-756-6054 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 90228-1?

Key specifications for 90228-1: Minimum Tensile Strength: 1500 POUNDS PER SQUARE INCH LBS; Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL; Peripheral Shape Style: ROUND; Material Document and Classification: AMS 3652 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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